Summary of Significant Accounting Policies (Allocation Of Stock-Based Compensation Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2021
Pre-tax stock-based compensation expense	$ 25,409	$ 24,885	$ 24,395
Less: benefit for income taxes	5,951	6,189	5,871
Net stock-based compensation expense	19,458	18,696	18,524
Mountain Operating Expense [Member]
Pre-tax stock-based compensation expense	21,242	20,892	20,311
Lodging Operating Expense [Member]
Pre-tax stock-based compensation expense	3,972	3,737	3,783
Real Estate Operating Expense [Member]
Pre-tax stock-based compensation expense	$ 195	$ 256	$ 301